Display Edge Wiring Layout for Reduced Bezels and Line Stain Control
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Solution Overview
Problem
Existing display apparatuses face issues with visible signal lines and non-display regions, particularly around rounded corners, which detract from display quality and aesthetics.
Innovation Solution
Incorporation of a bypass data line and a dummy pattern on the same layer, connected via contact holes, with a constant voltage applied to the dummy pattern, to minimize the non-display region and reduce the visibility of step differences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the peripheral non-display region is reduced to improve display quality and aesthetics, then the display area increases and visual appeal improves, but signal lines become more visible as 'stains' affecting display quality
Solution Approach 1:
A dummy pattern is introduced as an intermediary element between the bypass data line and the display region. This dummy pattern, which does not carry signal but is disposed on the same layer, serves to mask or compensate for the visual appearance of the bypass data line, thereby reducing the 'stain' effect while allowing the peripheral region to be minimized
Solution Approach 2:
The dummy pattern is strategically disposed only in specific locations where the bypass data line is visible and creates a stain effect. By applying this local compensation rather than uniformly across the entire display, the solution addresses the harmful visibility issue without adding unnecessary complexity to the overall structure
2Area of stationary object
If a bypass data line is added to reduce the peripheral region, then the display area effectively increases, but the device structure becomes more complex
Solution Approach 1:
The dummy pattern is merged with the same layer as the bypass data line, utilizing the existing layer structure rather than adding completely separate components. This integration approach reduces structural complexity while achieving the dual function of signal transmission and visual compensation
Solution Approach 2:
The dummy pattern, while primarily serving to mask the bypass data line, also functions as part of the overall display structure and can be integrated with other display elements. This multi-functionality approach reduces the need for additional dedicated components, thereby managing device complexity
Data Source
AI summary
A display apparatus includes a base substrate including a display region and a peripheral region that is a non-display region surrounding the display region, a plurality of data lines disposed in the display region on the base substrate and extending to the peripheral region, a bypass data line disposed in the display region and the peripheral region on the base substrate and electrically connected to at least one of the data lines, and a dummy pattern spaced apart from the bypass data line and disposed on a same layer as the bypass data line.